:root {
  --bg: #0b0f19;
  --panel: #121826;
  --panel-2: #0f1420;
  --border: #1f2937;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --accent: #3b82f6;
  --crit: #f87171;
  --high: #fb923c;
  --med: #fbbf24;
  --low: #a3e635;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  min-height: 100vh;
}

/* Top bar */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; border-bottom: 1px solid var(--border);
  position: sticky; top: 0; background: rgba(11,15,25,.9); backdrop-filter: blur(8px); z-index: 10;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo { font-size: 26px; }
.title { font-weight: 700; font-size: 18px; letter-spacing: .02em; }
.subtitle { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }

button {
  cursor: pointer; border: 0; border-radius: 8px; font-weight: 600; font-size: 14px;
  padding: 9px 16px; background: var(--accent); color: #fff;
}
button.ghost { background: transparent; border: 1px solid var(--border); color: var(--muted); }
button:hover { filter: brightness(1.08); }

/* Gate */
.gate { display: grid; place-items: center; min-height: calc(100vh - 130px); padding: 24px; }
.gate-card {
  width: 100%; max-width: 420px; background: var(--panel); border: 1px solid var(--border);
  border-radius: 14px; padding: 28px;
}
.gate-card h1 { margin: 0 0 8px; font-size: 20px; }
.gate-card p { color: var(--muted); font-size: 14px; }
.gate-card code { background: var(--panel-2); padding: 2px 6px; border-radius: 5px; font-size: 12px; }
.gate-card input {
  width: 100%; margin: 14px 0 12px; padding: 11px 12px; border-radius: 9px;
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text); font-size: 14px;
}
.gate-card button { width: 100%; }
.error { color: var(--crit); font-size: 13px; }

/* App layout */
.app {
  max-width: 1080px; margin: 0 auto; padding: 24px;
  display: grid; grid-template-columns: 1fr 300px; grid-template-areas:
    "meta meta" "counts counts" "summary history" "findings history";
  gap: 16px;
}
.meta { grid-area: meta; color: var(--muted); font-size: 13px; }
.meta strong { color: var(--text); }

.counts { grid-area: counts; display: flex; gap: 12px; flex-wrap: wrap; }
.count {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px 18px; min-width: 110px;
}
.count .n { font-size: 26px; font-weight: 800; }
.count .l { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.count.critical .n { color: var(--crit); }
.count.high .n { color: var(--high); }
.count.medium .n { color: var(--med); }
.count.low .n { color: var(--low); }

.card, .summary, .finding, .history {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 18px;
}
.summary { grid-area: summary; }
.summary p { margin: 0 0 8px; }

.findings { grid-area: findings; display: flex; flex-direction: column; gap: 12px; }
.finding { border-left: 4px solid var(--border); }
.finding.critical { border-left-color: var(--crit); }
.finding.high { border-left-color: var(--high); }
.finding.medium { border-left-color: var(--med); }
.finding.low { border-left-color: var(--low); }
.finding .sev { font-size: 11px; font-weight: 800; letter-spacing: .06em; }
.finding.critical .sev { color: var(--crit); }
.finding.high .sev { color: var(--high); }
.finding.medium .sev { color: var(--med); }
.finding.low .sev { color: var(--low); }
.finding h3 { margin: 4px 0 6px; font-size: 15px; }
.finding .detail { font-size: 13px; color: #cbd5e1; }
.finding .res { font-size: 12px; color: var(--muted); margin-top: 8px; }
.finding .res code, .finding pre code { background: var(--panel-2); border-radius: 4px; padding: 1px 5px; }
.finding pre {
  background: #060910; color: #e2e8f0; padding: 10px 12px; border-radius: 8px;
  font-size: 12px; overflow-x: auto; white-space: pre-wrap; word-break: break-word; margin: 8px 0 0;
}
.finding .apply {
  display: inline-block; margin-top: 12px; background: var(--accent); color: #fff;
  text-decoration: none; padding: 8px 14px; border-radius: 8px; font-size: 13px; font-weight: 600;
}
.finding .effect { display: block; margin-top: 6px; font-size: 12px; color: var(--muted); }

.history { grid-area: history; align-self: start; }
.history h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 0 0 12px; }
.history ul { list-style: none; margin: 0; padding: 0; }
.history li {
  padding: 8px 10px; border-radius: 8px; cursor: pointer; font-size: 13px; color: #cbd5e1;
}
.history li:hover { background: var(--panel-2); }
.history li.active { background: var(--panel-2); color: #fff; }

.empty { color: var(--low); font-weight: 600; }
.loading { text-align: center; padding: 40px; color: var(--muted); }

@media (max-width: 820px) {
  .app { grid-template-columns: 1fr; grid-template-areas: "meta" "counts" "summary" "findings" "history"; }
}